Infuse - Media player and media server with subtitles and wide codec support.
Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
Universal Media Server - Universal Media Server allows you to host your entire library of video, music, and pictures, and broadcast them conveniently to a wide variety of different devices.
Emby - media server for personal streaming movies tv music photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.
OSMC - OSMC is a free and open source media center built for the people, by the people.
Serviio - Web on Big Screen. Serviio enables playback of online sources like RSS feeds, live streams or web site content so that you can listen to your favourite podcasts or watch latest TV programmes published online.